This research aims at studying happiness at work in SMEs in Chiang Mai as Chiang Mai
has 14,645 SMEs, the highest number of SMEs in the upper North of Thailand, or at 56.04%
of all SMEs in this region. The objectives of the research are to study 1) factors affecting
happiness at work, and 2) the level of happiness at work of SMEs in Chiang Mai. The results
from this research could be used by entrepreneurs of SMEs in Chiang Mai to plan human
resource development, improve work environment so that staff are happy at work which
would result in efficient operation and to keep valuable staff with the organization for a long
time (Tseng, 2011).